1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/win32/7zip/7z/CPP/7zip/Archive/Common/OutStreamWithCRC.h	Sat Mar 03 10:31:27 2012 -0600
     1.3 @@ -0,0 +1,38 @@
     1.4 +// OutStreamWithCRC.h
     1.5 +
     1.6 +#ifndef __OUT_STREAM_WITH_CRC_H
     1.7 +#define __OUT_STREAM_WITH_CRC_H
     1.8 +
     1.9 +#include "../../../Common/MyCom.h"
    1.10 +#include "../../IStream.h"
    1.11 +
    1.12 +extern "C"
    1.13 +{
    1.14 +#include "../../../../C/7zCrc.h"
    1.15 +}
    1.16 +
    1.17 +class COutStreamWithCRC:
    1.18 +  public ISequentialOutStream,
    1.19 +  public CMyUnknownImp
    1.20 +{
    1.21 +  CMyComPtr<ISequentialOutStream> _stream;
    1.22 +  UInt64 _size;
    1.23 +  UInt32 _crc;
    1.24 +  bool _calculate;
    1.25 +public:
    1.26 +  MY_UNKNOWN_IMP
    1.27 +  STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
    1.28 +  void SetStream(ISequentialOutStream *stream) { _stream = stream; }
    1.29 +  void ReleaseStream() { _stream.Release(); }
    1.30 +  void Init(bool calculate = true)
    1.31 +  {
    1.32 +    _size = 0;
    1.33 +    _calculate = calculate;
    1.34 +    _crc = CRC_INIT_VAL;
    1.35 +  }
    1.36 +  void InitCRC() { _crc = CRC_INIT_VAL; }
    1.37 +  UInt64 GetSize() const { return _size; }
    1.38 +  UInt32 GetCRC() const { return CRC_GET_DIGEST(_crc); }
    1.39 +};
    1.40 +
    1.41 +#endif